Plana on Mars
35 named features carry the IAU descriptor Planum — a high plain or plateau on Mars, out of 49 in the mapped Solar System.
Named
35
of 2,049 named places on Mars — 1.7%
Largest
1,922 km
Daedalia Planum
Median size
804 km
Across the 35 with a measured diameter
Named between
1973–2025
IAU approval dates
How plana on Mars get their names
The IAU assigns each feature class on each world a naming theme. Across the 35 plana with a recorded origin, 5 categories appear, led by Greek.
Greek17Latin14Egypt2Italy1Roman1
All 35 plana on Mars
Every one has its own page, on the surface it sits on.
Daedalia Planum1,922 kmLunae Planum1,818 kmSolis Planum1,811 kmNepenthes Planum1,650 kmHesperia Planum1,602 kmPlanum Australe1,430 kmArgentea Planum1,371 kmSyrtis Major Planum1,215 kmMeridiani Planum1,059 kmSisyphi Planum1,033 kmParva Planum1,027 kmAmenthes Planum953 kmSinai Planum901 kmLucus Planum900 kmMalea Planum873 kmAeolis Planum853 kmPromethei Planum831 kmOlympia Planum804 kmThaumasia Planum800 kmSyria Planum736 kmBosporos Planum730 kmOgygis Planum711 kmOphir Planum642 kmAscuris Planum618 kmPlanum Chronium576 kmZephyria Planum575 kmIcaria Planum567 kmAurorae Planum565 kmAonia Planum564 kmPlanum Boreum355 kmCoronae Planum265 kmOxia Planum231 kmPlanum Angustum206 kmNili Planum129 kmOenotria Plana61.3 km
Plana elsewhere in the Solar System
The same descriptor is used on 4 other worlds, for 14 more features.